diff --git a/HNS/Excercises/02.11.2023 Battle Ship/main (4).py b/HNS/Excercises/02.11.2023 Battle Ship/main (4).py
new file mode 100644
index 0000000..41c0474
--- /dev/null
+++ b/HNS/Excercises/02.11.2023 Battle Ship/main (4).py	
@@ -0,0 +1,79 @@
+from tkinter import *
+
+empty_field = [' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ']
+
+# set_ship(1, 1, 4, 1)
+step1_field = [' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', '1', '1', '1', '1', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ']
+
+# set_ship(0, 5, 3, 0)
+step2_field = [' ', ' ', ' ', ' ', ' ', '1', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', '1', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', '1', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', '1', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ']
+
+my_field = list(empty_field)
+enemy_field = list(empty_field)
+
+buttons = []
+
+
+def set_ship(field, row, col, size, direction):
+    # size - 1, 2, 3, 4
+    # direction - вниз(0), вправо(1)
+    if row < 0 or row > size - 1:
+        return 
+    if col < 0 or col > size - 1:
+        return 0
+
+    if direction == 0:
+        if row + size > size - 1:
+            return 0
+
+        for i in range(row, row + size):
+            index = i * size + col
+            size[index] = '1'
+
+
+def draw_field(window, field):
+    btn = Button(window, text="     ")
+    btn.grid(column=0, row=0)
+    btn1 = Button(window, text="     ", bg='pink')
+    btn1.grid(column=1, row=0)
+    btn2 = Button(window, text="     ")
+    btn2.grid(column=2, row=0)
+
+
+window = Tk()
+window.title("Ship Craft!")
+window.geometry('800x400')
+
+set_ship(my_field, 1, 1, 4, 1)
+set_ship(1, 5, 3, 0)
+
+draw_field(window, my_field)
+
+window.mainloop()
diff --git a/HNS/Excercises/19.02.2024/ShipField.py b/HNS/Excercises/19.02.2024/ShipField.py
new file mode 100644
index 0000000..7dff277
--- /dev/null
+++ b/HNS/Excercises/19.02.2024/ShipField.py
@@ -0,0 +1,99 @@
+from main import ShootResult
+
+
+class ShipField:
+
+    field = [' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+             ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+             ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+             ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+             ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+             ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+             ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+             ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+             ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+             ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ']
+
+    field_size = 10
+    field_mode = 0
+    ship_size = 4
+    ship_direction = 0
+
+    def __init__(self):
+        pass
+
+    def set_ship(self, row, col):
+        if row < 0 or row > self.field_size:
+            return
+        if col < 0 or col > self.field_size:
+            return
+        index = row * self.field_size + col
+        if self.ship_direction == 0:
+            if self.field_size - row < self.ship_size:
+                return
+            for r in range(row, row + self.ship_size):
+                index = r * self.field_size + col
+                self.field[index] = "1"
+        if self.ship_direction == 1:
+            if self.field_size - col < self.ship_size:
+                return
+            for c in range(col, col + self.ship_size):
+                index = row * self.field_size + c
+                self.field[index] = "1"
+
+    def shoot(self, row, col):
+        if row < 0 or row > self.field_size - 1:
+            return ShootResult.UNDEFINED
+        if col < 0 or col > self.field_size - 1:
+            return ShootResult.UNDEFINED
+        index = row * self.field_size + col
+        if (self.field[index]).strip() == "":
+            self.field[index] = "0"
+            return ShootResult.EMPTY
+        elif (self.field[index]).strip() == "1":
+            self.field[index] = "\\"
+            return ShootResult.DAMAGED
+        else:
+            return ShootResult.UNDEFINED
+
+    def check_possible(self, row, col, ship_direction):
+        if ship_direction == 0:
+            if self.field_size - row >= self.ship_size:
+                for r in range(row, row + self.ship_size):
+                    if not self.check_blocked(self.field, r, col):
+                        return False
+                return True
+
+        if ship_direction == 1:
+            if self.field_size - col >= self.ship_size:
+                for c in range(col, col + self.ship_size):
+                    if not self.check_blocked(self.field, row, c):
+                        return False
+                return True
+
+        return False
+
+    def check_blocked(self, row, col):
+        for r in range(row - 1, row + 2):
+            for c in range(col - 1, col + 2):
+                if 0 <= r < self.field_size and 0 <= c < self.field_size:
+                    cell = (self.field[r * self.field_size + c]).strip()
+                    if cell != '' and cell != 'p':
+                        return False
+        return True
+
+    def set_ship_size(self, value):
+        if value.isnumeric():
+            nummer = int(value)
+            if 1 <= nummer <= 4:
+                self.ship_size = nummer
+
+    def set_ship_direction(self, value):
+        if value.isnumeric() == 1 or value.isnumeric() == 0:
+            self.ship_direction = value
+
+    def toggle_field_mode(self):
+        if self.field_mode == 1:
+            self.field_mode = 0
+        else:
+            self.field_mode = 0
diff --git a/HNS/Excercises/19.02.2024/main.py b/HNS/Excercises/19.02.2024/main.py
new file mode 100644
index 0000000..15bb002
--- /dev/null
+++ b/HNS/Excercises/19.02.2024/main.py
@@ -0,0 +1,311 @@
+from tkinter import *
+from enum import Enum
+
+my_buttons = []
+enemy_buttons = []
+
+field_size = 10
+active_field = 0
+
+ship_size_left = 4
+ship_direction_left = 0
+field_mode_left = 0
+
+ship_size_right = 4
+ship_direction_right = 0
+field_mode_right = 0
+
+empty_field = [' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+               ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ']
+
+my_field = list(empty_field)
+enemy_field = list(empty_field)
+
+
+# 1. Определите перечисление (Enum) ShootResult со следующими значениями:
+# EMPTY (мимо), DAMAGED (ранен), KILLED (убит), UNDEFINED (действие не определено)
+
+class ShootResult(Enum):
+    EMPTY = "EMPTY"
+    DAMAGED = "DAMAGED"
+    KILLED = "KILLED"
+    UNDEFINED = "UNDEFINED"
+
+
+def set_ship(field, row, col, ship_size, direction):
+    if row < 0 or row > field_size:
+        return
+    if col < 0 or col > field_size:
+        return
+    index = row * field_size + col
+    if direction == 0:
+        if field_size - row < ship_size:
+            return
+        for r in range(row, row + ship_size):
+            index = r * field_size + col
+            field[index] = "1"
+    if direction == 1:
+        if field_size - col < ship_size:
+            return
+        for c in range(col, col + ship_size):
+            index = row * field_size + c
+            field[index] = "1"
+
+
+def shoot(field, row, col):
+    if row < 0 or row > field_size - 1:
+        return ShootResult.UNDEFINED
+    if col < 0 or col > field_size - 1:
+        return ShootResult.UNDEFINED
+    index = row * field_size + col
+    if (field[index]).strip() == "":
+        field[index] = "0"
+        return ShootResult.EMPTY
+    elif (field[index]).strip() == "1":
+        field[index] = "\\"
+        return ShootResult.DAMAGED
+    else:
+        return ShootResult.UNDEFINED
+
+
+def draw_field(window, field, col_offset):
+    buttons = []
+    for r in range(0, field_size):
+        for c in range(0, field_size):
+            index = r * field_size + c
+            btn = Button(window, text='', width=5, height=2)
+            btn.grid(column=c + col_offset, row=r)
+            btn.bind('<Button-1>', lambda e, x=r, y=c: left_button_click(field, buttons, x, y))
+            btn.bind('<Button-3>', right_button_click)
+            btn.bind('<Enter>', lambda e, x=r, y=c: button_enter(field, buttons, x, y))
+            buttons.append(btn)
+    colorize(field, buttons)
+    return buttons
+
+
+def colorize(field, buttons):
+    for i in range(len(field)):
+        bg = "white"
+        if field[i] == "1":
+            bg = 'pink'
+        if field[i] == "\\":
+            bg = 'red'
+        if field[i] == "0":
+            bg = 'black'
+        if field[i] == "p":
+            bg = 'blue'
+        buttons[i].configure(bg=bg)
+
+
+def keypress_handler(e):
+    global ship_size_left
+    global field_mode_left
+
+    global ship_size_right
+    global field_mode_right
+
+    if e.keysym.isnumeric():
+        number = int(e.keysym)
+        if 1 <= number <= 4:
+            if active_field == 0:
+                ship_size_left = number
+            else:
+                ship_size_right = number
+    else:
+        if e.keysym == 'm':
+            if active_field == 0:
+                field_mode = field_mode_left
+            else:
+                field_mode = field_mode_right
+
+            if field_mode == 0:
+                field_mode = 1
+            else:
+                field_mode = 0
+
+            if active_field == 0:
+                field_mode_left = field_mode
+            else:
+                field_mode_right = field_mode
+
+
+def left_button_click(field, buttons, row, col):
+    global ship_size_left
+    global ship_direction_left
+
+    global ship_size_right
+    global ship_direction_right
+
+    if active_field == 0:
+        field_mode = field_mode_left
+        ship_size = ship_size_left
+        ship_direction = ship_direction_left
+    else:
+        field_mode = field_mode_right
+        ship_size = ship_size_right
+        ship_direction = ship_direction_right
+
+    if field_mode == 0:
+        if check_possible(field, row, col, ship_size, ship_direction):
+            set_ship(field, row, col, ship_size, ship_direction)
+
+    elif field_mode == 1:
+        shoot(field, row, col)
+    colorize(field, buttons)
+
+
+def right_button_click(d):
+    global ship_direction_left
+    global ship_direction_right
+
+    global field_mode_left
+    global field_mode_right
+
+    if active_field == 0:
+        field_mode = field_mode_left
+        ship_direction = ship_direction_left
+    else:
+        field_mode = field_mode_right
+        ship_direction = ship_direction_right
+
+    if field_mode == 0:
+        if ship_direction == 0:
+            ship_direction = 1
+        else:
+            ship_direction = 0
+
+    if active_field == 0:
+        ship_direction_left = ship_direction
+    else:
+        ship_direction_right = ship_direction
+
+
+def button_enter(field, buttons, row, col):
+    global active_field
+    global ship_direction_left
+    global ship_direction_right
+
+    global ship_size_left
+    global ship_size_right
+
+    global field_mode_left
+    global field_mode_right
+
+    if buttons == my_buttons:
+        active_field = 0
+    elif buttons == enemy_buttons:
+        active_field = 1
+
+    if active_field == 0:
+        field_mode = field_mode_left
+        ship_direction = ship_direction_left
+        ship_size = ship_size_left
+        other_field = enemy_field
+        other_buttons = enemy_buttons
+    else:
+        field_mode = field_mode_right
+        ship_direction = ship_direction_right
+        ship_size = ship_size_right
+        other_field = my_field
+        other_buttons = my_buttons
+
+    for i in range(0, len(other_field)):
+        if other_field[i] == "p":
+            other_field[i] = ''
+
+    colorize(other_field, other_buttons)
+
+    if field_mode == 0:
+        for i in range(0, len(field)):
+            if field[i] == "p":
+                field[i] = ''
+
+        if check_possible(field, row, col,ship_size, ship_direction):
+            if ship_direction == 0:
+                for r in range(row, row + ship_size):
+                    field[r * field_size + col] = "p"
+
+            if ship_direction == 1:
+                for c in range(col, col + ship_size):
+                    field[row * field_size + c] = "p"
+
+        colorize(field, buttons)
+
+
+def check_possible(field, row, col, ship_size, ship_direction):
+    # Функция должна возвращать True, если можно поставить сюда корабль,
+    # в противном случае - False
+
+    if ship_direction == 0:
+        # Здесь мы знаем, что корабль помещается на поле.
+        if field_size - row >= ship_size:
+            # Теперь нужно проверить, не заблокировано ли какое-то из полей,
+            for r in range(row, row + ship_size):
+                if not check_blocked(field, r, col):
+                    return False
+            return True
+
+    if ship_direction == 1:
+        if field_size - col >= ship_size:
+            for c in range(col, col + ship_size):
+                if not check_blocked(field, row, c):
+                    return False
+            return True
+
+    return False
+
+
+def check_blocked(field, row, col):
+    # Функция возвращает True, если все клетки вокруг клетки с координатами row, col
+    # либо находятся за пределами поля, либо в них нет корабля/они пустые
+    for r in range(row - 1, row + 2):
+        for c in range(col - 1, col + 2):
+            if 0 <= r < field_size and 0 <= c < field_size:
+                cell = (field[r * field_size + c]).strip()
+                if cell != '' and cell != 'p':
+                    return False
+    return True
+
+
+window = Tk()
+window.title("Ship Craft!")
+window.geometry('940x410')
+window.bind_all('<KeyPress>', keypress_handler)
+set_ship(my_field, 1, 1, 4, 1)
+set_ship(my_field,0, 6, 3, 0)
+set_ship(my_field, 7, 3, 1, 0)
+my_buttons = draw_field(window, my_field, 0)
+enemy_buttons = draw_field(window, enemy_field, 11)
+print(len(my_buttons))
+print(len(enemy_buttons))
+
+lbl = Label(window, text='', width=5, height=2)
+lbl.grid(column=10, row=0)
+
+window.mainloop()
+
+
+for r in range(0, field_size):
+    blocked_string = ""
+    ship_string = ""
+    for c in range(0, field_size):
+        blocked_string += str(check_blocked(my_field, r, c))[0] + ", "
+        ship_string += my_field[r * field_size + c] + ', '
+    print(blocked_string[:-2] + '          ' + ship_string[:-2])
+print("********************************************************************")
+
+for r in range(0, field_size):
+    possible_string = ""
+    impossible_string = ""
+    for c in range(0, field_size):
+        possible_string += str(check_possible(my_field, r, c))[0] + ", "
+        impossible_string += my_field[r * field_size + c] + ', '
+    print(possible_string[:-2] + '          ' + impossible_string[:-2])